If it is an open class, you don't need PPT. Nowadays, all textbooks are equipped with electronic courseware, so use it directly. Even if not, the wall chart is not useless. Learning is king.
You can introduce a story, caterpillar 1 eat radish, cucumber on Tuesday and what to eat on Wednesday. . .
Question: What if I can't remember?
The teacher drew a table, wrote down the numbers, and asked the children to post what the caterpillar ate every day. Or take out the food one by one and ask the caterpillar which day it was eaten.
* * * Complete the form together and summarize your findings. Discover the rules of the week.